mirror of
https://github.com/forth-ev/VolksForth.git
synced 2024-06-01 06:41:37 +00:00
319 lines
6.2 KiB
Forth
319 lines
6.2 KiB
Forth
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\ *** Block No. 131, Hexblock 83
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83 fthpage
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( #bs #cr ..keyboard clv12.4.87)
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: c64key ( -- 8b)
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curon BEGIN pause c64key? UNTIL
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curoff getkey ;
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14 Constant #bs 0D Constant #cr
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: c64decode
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( addr cnt1 key -- addr cnt2)
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#bs case? IF dup IF del 1- THEN
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exit THEN
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#cr case? IF dup span ! exit THEN
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>r 2dup + r@ swap c! r> emit 1+ ;
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: c64expect ( addr len1 -- )
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span ! 0
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BEGIN dup span @ u<
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WHILE key decode
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REPEAT 2drop space ;
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Input: keyboard [ here input ! ]
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c64key c64key? c64decode c64expect ;
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\ *** Block No. 132, Hexblock 84
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84 fthpage
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( con! printable? clv11.4.87)
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Code con! ( 8b --) SP X) lda
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Label (con! ConOut jsr SP 2inc
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Label (con!end CurFlg stx InsCnt stx
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1 # ldy ;c: pause ;
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Label (printable? \ for CBM-Code !
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\ CS is printable
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80 # cmp CC ?[ bl # cmp rts ]?
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0E0 # cmp CC ?[ 0C0 # cmp rts ]?
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clc rts end-code
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Code printable? ( 8b -- 8b flag)
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SP X) lda (printable? jsr CS ?[ dex ]?
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txa PushA jmp end-code
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\ *** Block No. 133, Hexblock 85
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85 fthpage
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( emit cr del page at at? clv11.4.87)
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Code c64emit ( 8b -- )
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SP X) lda (printable? jsr
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CC ?[ Ascii . # lda ]?
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(con! jmp end-code
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: c64cr #cr con! ;
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: c64del 9D con! space 9D con! ;
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: c64page 93 con! ;
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Code c64at ( row col --)
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2 # lda Setup jsr
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N 2+ ldx N ldy clc PLOT jsr
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(C16 \ ) 0D3 ldy 0D1 )Y lda 0CE sta
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xyNext jmp end-code
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Code c64at? ( -- row col)
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SP 2dec txa SP )Y sta
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sec PLOT jsr
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28 # cpy tya CS ?[ 28 # sbc ]?
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pha txa 0 # ldx SP X) sta pla
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Push0A jmp end-code
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\ *** Block No. 134, Hexblock 86
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86 fthpage
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( type display (bye clv11.4.87)
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Code c64type ( adr len -- )
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2 # lda Setup jsr 0 # ldy
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[[ N cpy 0<>
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?[[ N 2+ )Y lda (printable? jsr
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CC ?[ Ascii . # lda ]?
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ConOut jsr iny ]]?
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(con!end jmp end-code
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Output: display [ here output ! ]
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c64emit c64cr c64type c64del c64page
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c64at c64at? ;
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(C64 | Create (bye $FCE2 here 2- ! )
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(C16- | Create (bye $FF52 here 2- ! )
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(C16+ | CODE (bye rom $FF52 jmp end-code )
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\ *** Block No. 135, Hexblock 87
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87 fthpage
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\ b/blk drive >drive drvinit clv14:2x87
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400 Constant b/blk
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0AA Constant blk/drv
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Variable (drv 0 (drv !
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| : disk ( -- dev.no ) (drv @ 8 + ;
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: drive ( drv# -- )
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blk/drv * offset ! ;
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: >drive ( block drv# -- block' )
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blk/drv * + offset @ - ;
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: drv? ( block -- drv# )
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offset @ + blk/drv / ;
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: drvinit noop ;
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\ *** Block No. 136, Hexblock 88
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88 fthpage
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( i/o busoff 10may85we)
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Variable i/o 0 i/o ! \ Semaphore
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Code busoff ( --) CLRCHN jsr
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Label unlocki/o 1 # ldy 0 # ldx
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;c: i/o unlock ;
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Label nodevice 0 # ldx 1 # ldy
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;c: busoff buffers unlock
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true Abort" no device" ;
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\ *** Block No. 137, Hexblock 89
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89 fthpage
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\ ?device clv12jul87
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Label (?dev
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90 stx (C16 $ae sta ( ) LISTEN jsr
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\ because of error in OS
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60 # lda SECOND jsr UNLSN jsr
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90 lda 0<> ?[ pla pla nodevice jmp ]?
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rts end-code
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Code (?device ( dev --)
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SP X) lda (?dev jsr SP 2inc
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unlocki/o jmp end-code
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: ?device ( dev -- )
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i/o lock (?device ;
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Code (busout ( dev 2nd -- )
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MsgFlg stx 2 # lda Setup jsr
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N 2+ lda (?dev jsr
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N 2+ lda LISTEN jsr
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N lda 60 # ora SECOND jsr
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N 2+ ldx OutDev stx
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xyNext jmp end-code
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\ *** Block No. 138, Hexblock 8a
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8a fthpage
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\ busout/open/close/in clv12jul87
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: busout ( dev 2nd -- )
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i/o lock (busout ;
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: busopen ( dev 2nd -- )
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0F0 or busout ;
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: busclose ( dev 2nd -- )
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0E0 or busout busoff ;
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Code (busin ( dev 2nd -- )
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MsgFlg stx 2 # lda Setup jsr
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N 2+ lda (?dev jsr
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N 2+ lda TALK jsr
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N lda 60 # ora (C16 $ad sta ( )
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TKSA jsr
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\ because of error in old C16 OS
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N 2+ ldx InDev stx
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xyNext jmp end-code
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: busin ( dev 2nd -- )
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i/o lock (busin ;
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\ *** Block No. 139, Hexblock 8b
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8b fthpage
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( bus-!/type/@/input derror? 24feb85re)
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Code bus! ( 8b --)
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SP X) lda CIOUT jsr (xydrop jmp
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end-code
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: bustype ( adr n --)
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bounds ?DO I c@ bus! LOOP pause ;
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Code bus@ ( -- 8b)
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ACPTR jsr Push0A jmp end-code
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: businput ( adr n --)
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bounds ?DO bus@ I c! LOOP pause ;
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: derror? ( -- flag )
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disk $F busin bus@ dup Ascii 0 -
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IF BEGIN emit bus@ dup #cr = UNTIL
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0= cr THEN 0= busoff ;
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\ *** Block No. 140, Hexblock 8c
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8c fthpage
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( s#>s+t x,x 28may85re)
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165 | Constant 1.t
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1EA | Constant 2.t
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256 | Constant 3.t
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| : (s#>s+t ( sector# -- sect track)
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dup 1.t u< IF 15 /mod exit THEN
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3 + dup 2.t u< IF 1.t - 13 /mod 11 +
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exit THEN
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dup 3.t u< IF 2.t - 12 /mod 18 +
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exit THEN
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3.t - 11 /mod 1E + ;
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| : s#>t+s ( sector# -- track sect )
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(s#>s+t 1+ swap ;
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| : x,x ( sect track -- adr count)
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base push decimal
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0 <# #s drop Ascii , hold #s #> ;
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\ *** Block No. 141, Hexblock 8d
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8d fthpage
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( readsector writesector 28may85re)
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100 | Constant b/sek
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: readsector ( adr tra# sect# -- flag)
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disk 0F busout
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" u1:13,0," count bustype
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x,x bustype busoff pause
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derror? ?exit
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disk 0D busin b/sek businput busoff
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false ;
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: writesector ( adr tra# sect# -- flag)
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rot disk 0F busout
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" b-p:13,0" count bustype busoff
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disk 0D busout b/sek bustype busoff
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disk 0F busout
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" u2:13,0," count bustype
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x,x bustype busoff pause derror? ;
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\ *** Block No. 142, Hexblock 8e
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8e fthpage
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( 1541r/w 28may85re)
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: diskopen ( -- flag)
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disk 0D busopen Ascii # bus! busoff
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derror? ;
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: diskclose ( -- )
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disk 0D busclose busoff ;
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: 1541r/w ( adr blk file r/wf -- flag)
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swap Abort" no file"
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-rot blk/drv /mod dup (drv ! 3 u>
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IF . ." beyond capacity" nip exit THEN
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diskopen IF drop nip exit THEN
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0 swap 2* 2* 4 bounds
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DO drop 2dup I rot
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IF s#>t+s readsector
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ELSE s#>t+s writesector THEN
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>r b/sek + r> dup IF LEAVE THEN
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LOOP -rot 2drop diskclose ;
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' 1541r/w Is r/w
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\ *** Block No. 143, Hexblock 8f
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8f fthpage
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\ index findex ink-pot 05nov87re
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: index ( from to --)
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1+ swap DO
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cr I 2 .r I block 1+ 25 type
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stop? IF LEAVE THEN LOOP ;
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: findex ( from to --)
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diskopen IF 2drop exit THEN
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1+ swap DO cr I 2 .r
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pad dup I 2* 2* s#>t+s readsector
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>r 1+ 25 type
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r> stop? or IF LEAVE THEN
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LOOP diskclose ;
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